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M.2 drive backplanes

Use the section to understand the cable routing for the M.2 drive backplanes.

Power cable routing

Figure 1. Power cable routing
Power cable routing

FromTo
1 Power connector on the M.2 drive backplaneM.2 power connector on the system board assembly

Signal cable routing

The M.2 drive backplane supports either SATA cable connection or NVMe cable connection.

Figure 2. SATA cable routing
SATA cable routing
Figure 3. NVMe cable routing
Note
The following illustration shows four NVMe cable connection options, but the four options are mutually exclusive. Select one of them based on your scenario.

NVMe cable routing
FromToFromTo
1 Signal connector on the M.2 drive backplaneM.2/7mm backplane signal connector on the system board assemblySignal connector on the M.2 drive backplane1 PCIe 1
2 PCIe 3 (one CPU installed)
3 PCIe 8
4 PCIe 10